Scraper for cleaning boilers and furnaces



FIG. 1 is a top plan view of a scraper for cleaning boilers and furnacesshowing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirrorimage thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a front elevational view thereof.

The ornamental design for a scraper for cleaning boilers and furnaces,as shown.